Bu Ke gritted his teeth. "I don't have any mid-grade crystals. Just some green ones. You can trade them if you want. If not, fine."

It was not easy to get crystals. He did not even want to take out the low-grade crystals, but Bai Di's strength made him afraid. Coupled with Shuang Yun, who was eyeing him covetously, he could only admit defeat.

Of course, Bai Di didn't believe that he didn't have middle-grade crystals, but it didn't matter. As long as they ...